supported by the National Natural Science Foundation of China(Nos.41175111 and 21177078);the Strategic Pilot Science and Technology Project of the Chinese Academy of Sciences(Class B)(No.XDB05010200);the National Natural Science Foundation of China(No.41265008);Key Discipline Construction Project,Guizhou(No.ZDXK[2016]11)
Size–fractioned atmospheric aerosol particles were collected during a typical heavy air pollution event in Beijing. The organic and inorganic components on the surfaces of the samples were analyzed using time–of–fl...